EP0298897A3 - Stiffening ring for a stator assembly of an axial flow rotary machine - Google Patents

Stiffening ring for a stator assembly of an axial flow rotary machine Download PDF

Info

Publication number
EP0298897A3
EP0298897A3 EP88630128A EP88630128A EP0298897A3 EP 0298897 A3 EP0298897 A3 EP 0298897A3 EP 88630128 A EP88630128 A EP 88630128A EP 88630128 A EP88630128 A EP 88630128A EP 0298897 A3 EP0298897 A3 EP 0298897A3
Authority
EP
European Patent Office
Prior art keywords
axial flow
stator assembly
rotary machine
stiffening ring
flow rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88630128A
Other versions
EP0298897B1 (en
EP0298897A2 (en
Inventor
John Ronald Larrabee
Arthur Webster Lucas
Peter Alfred Faucher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP0298897A2 publication Critical patent/EP0298897A2/en
Publication of EP0298897A3 publication Critical patent/EP0298897A3/en
Application granted granted Critical
Publication of EP0298897B1 publication Critical patent/EP0298897B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162Bearing supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005Sealing means between non relatively rotating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00Stators
    • F01D9/02Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/21Utilizing thermal characteristic, e.g., expansion or contraction, etc.
    • Y10T403/217Members having different coefficients of expansion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/65Scarf
    • Y10T403/655Mirror images
EP88630128A 1987-07-08 1988-07-07 Stiffening ring for a stator assembly of an axial flow rotary machine Expired - Lifetime EP0298897B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71000 1987-07-08
US07/071,000 US4859143A (en) 1987-07-08 1987-07-08 Stiffening ring for a stator assembly of an axial flow rotary machine

Publications (3)

Publication Number Publication Date
EP0298897A2 EP0298897A2 (en) 1989-01-11
EP0298897A3 true EP0298897A3 (en) 1989-11-29
EP0298897B1 EP0298897B1 (en) 1992-09-16

Family

ID=22098662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88630128A Expired - Lifetime EP0298897B1 (en) 1987-07-08 1988-07-07 Stiffening ring for a stator assembly of an axial flow rotary machine

Country Status (4)

Country Link
US (1) US4859143A (en)
EP (1) EP0298897B1 (en)
JP (1) JP2681490B2 (en)
DE (2) DE3874637T2 (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249418A (en) * 1991-09-16 1993-10-05 General Electric Company Gas turbine engine polygonal structural frame with axially curved panels
US5503490A (en) * 1994-05-13 1996-04-02 United Technologies Corporation Thermal load relief ring for engine case
DE19728345A1 (en) * 1997-07-03 1999-01-07 Asea Brown Boveri Non-positive and positive connection of rotating components
US6212753B1 (en) * 1997-11-25 2001-04-10 General Electric Company Complaint joint for interfacing dissimilar metals in X-ray tubes
EP1130218A1 (en) * 2000-03-02 2001-09-05 Siemens Aktiengesellschaft Turbine with sealings for the stator platforms
US6375428B1 (en) * 2000-08-10 2002-04-23 The Boeing Company Turbine blisk rim friction finger damper
US7100358B2 (en) * 2004-07-16 2006-09-05 Pratt & Whitney Canada Corp. Turbine exhaust case and method of making
US7124572B2 (en) * 2004-09-14 2006-10-24 Honeywell International, Inc. Recuperator and turbine support adapter for recuperated gas turbine engines
US7383686B2 (en) * 2004-12-13 2008-06-10 Honeywell International Inc. Secondary flow, high pressure turbine module cooling air system for recuperated gas turbine engines
SE528948C2 (en) * 2004-12-23 2007-03-20 Volvo Aero Corp Annular torque static component for an aircraft engine
US11212928B2 (en) 2005-09-19 2021-12-28 Chatsworth Products, Inc. Vertical exhaust duct for electronic equipment enclosure
US7804685B2 (en) 2005-09-19 2010-09-28 Chatsworth Products, Inc. Ducted exhaust equipment enclosure
US7542287B2 (en) 2005-09-19 2009-06-02 Chatsworth Products, Inc. Air diverter for directing air upwardly in an equipment enclosure
US11259446B2 (en) 2005-09-19 2022-02-22 Chatsworth Products, Inc. Vertical exhaust duct for electronic equipment enclosure
US8107238B2 (en) 2005-09-19 2012-01-31 Chatsworth Products, Inc. Ducted exhaust equipment enclosure
US7594405B2 (en) * 2006-07-27 2009-09-29 United Technologies Corporation Catenary mid-turbine frame design
FR2905990A1 (en) * 2006-09-20 2008-03-21 Snecma Sa PROPULSIVE SYSTEM WITH INTEGRATED PYLONE FOR AIRCRAFT.
US10133320B2 (en) 2008-02-14 2018-11-20 Chatsworth Products, Inc. Air directing device
FR2933130B1 (en) * 2008-06-25 2012-02-24 Snecma STRUCTURAL CASING FOR TURBOMACHINE
US8500392B2 (en) * 2009-10-01 2013-08-06 Pratt & Whitney Canada Corp. Sealing for vane segments
FR2955312B1 (en) * 2010-01-20 2013-05-31 Airbus Operations Sas DEVICE FOR FUSIBLE CONNECTION BETWEEN A MOBILE PART AND A FIXED PART OF AN AIRCRAFT NACELLE
US9313927B2 (en) 2010-11-08 2016-04-12 Chatsworth Products, Inc. Header panel assembly for preventing air circulation above electronic equipment enclosure
US9955616B2 (en) 2010-11-08 2018-04-24 Chatsworth Products, Inc. Header panel assembly for preventing air circulation above electronic equipment enclosure
US8696311B2 (en) 2011-03-29 2014-04-15 Pratt & Whitney Canada Corp. Apparatus and method for gas turbine engine vane retention
US8998574B2 (en) 2011-09-01 2015-04-07 Pratt & Whitney Canada Corp. Spring-tensioned stator restraining strap
US8979484B2 (en) 2012-01-05 2015-03-17 Pratt & Whitney Canada Corp. Casing for an aircraft turbofan bypass engine
US9108736B2 (en) * 2012-06-05 2015-08-18 United Technologies Corporation Nacelle inner flow structure leading edge latching system
US9200530B2 (en) 2012-07-20 2015-12-01 United Technologies Corporation Radial position control of case supported structure
US9719536B2 (en) 2014-07-03 2017-08-01 The Boeing Company Assemblies including shape memory alloy fittings and composite structural members
EP3109520B1 (en) * 2015-06-24 2020-05-06 MTU Aero Engines GmbH Seal carrier, guide blade assembly and fluid flow engine
US11028778B2 (en) 2018-09-27 2021-06-08 Pratt & Whitney Canada Corp. Engine with start assist
BR112021018780A2 (en) * 2019-04-16 2021-11-23 Atlas Copco Wuxi Compressor Co Ltd Guide device to direct gas passage
CN110145496A (en) * 2019-04-16 2019-08-20 阿特拉斯·科普柯(无锡)压缩机有限公司 It is a kind of for guiding guiding device of the gas by gas pressurized device
DE102020200665A1 (en) * 2020-01-21 2021-07-22 MTU Aero Engines AG Sealing air device for a turbo machine, sealing device for a sealing air device, turbo machine with a sealing air device and / or with a sealing device and method for repairing a sealing air device
CN113494318A (en) * 2021-06-21 2021-10-12 北京南方斯奈克玛涡轮技术有限公司 3D printing turbine casing with complex reinforcing ribs
US11814966B2 (en) 2022-03-22 2023-11-14 Rtx Corporation Retention ring with removal features for gas turbine engine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956774A (en) * 1954-09-28 1960-10-18 Stalker Corp Vibration dampers for bladed wheels
DE2847252B1 (en) * 1978-10-26 1980-04-24 Gebrueder Sulzer Ag, Winterthur (Schweiz) Arrangement for sealing the joint between two stator parts of a turbo machine
FR2442334A1 (en) * 1978-11-25 1980-06-20 Rolls Royce BLADE DISTRIBUTOR FOR A GAS TURBINE ENGINE
GB2041459A (en) * 1979-02-08 1980-09-10 Snecma Rotary machine rotor
US4249859A (en) * 1977-12-27 1981-02-10 United Technologies Corporation Preloaded engine inlet shroud
GB2076485A (en) * 1980-05-22 1981-12-02 Gen Electric Vibration damper ring
GB2087501A (en) * 1980-11-14 1982-05-26 United Technologies Corp Wedge-shaped seal for flanged joints
GB2171458A (en) * 1985-02-25 1986-08-28 Gen Electric Removable stiffening disk

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US466883A (en) * 1892-01-12 Carl baciiem
US3216654A (en) * 1965-11-09 Tureeofan engine
US2654566A (en) * 1950-02-11 1953-10-06 A V Roe Canada Ltd Turbine nozzle guide vane construction
US2867460A (en) * 1953-10-21 1959-01-06 Gen Motors Corp Turbine rotor assembly
US3351319A (en) * 1966-09-01 1967-11-07 United Aircraft Corp Compressor and fan exit guide vane assembly
FR2275651A1 (en) * 1974-06-21 1976-01-16 Snecma IMPROVEMENTS TO AXIAL TURBOMACHINE STATORS
FR2282550A1 (en) * 1974-08-21 1976-03-19 Shur Lok International Sa MONOBLOC CASING COMPRESSOR STATOR
US3969805A (en) * 1974-12-23 1976-07-20 The Trane Company Method of constructing an axial flow fan
FR2455674A1 (en) * 1979-05-02 1980-11-28 Snecma SEALING DEVICE BETWEEN TWO TURBOMACHINE ELEMENTS

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956774A (en) * 1954-09-28 1960-10-18 Stalker Corp Vibration dampers for bladed wheels
US4249859A (en) * 1977-12-27 1981-02-10 United Technologies Corporation Preloaded engine inlet shroud
DE2847252B1 (en) * 1978-10-26 1980-04-24 Gebrueder Sulzer Ag, Winterthur (Schweiz) Arrangement for sealing the joint between two stator parts of a turbo machine
FR2442334A1 (en) * 1978-11-25 1980-06-20 Rolls Royce BLADE DISTRIBUTOR FOR A GAS TURBINE ENGINE
GB2041459A (en) * 1979-02-08 1980-09-10 Snecma Rotary machine rotor
GB2076485A (en) * 1980-05-22 1981-12-02 Gen Electric Vibration damper ring
GB2087501A (en) * 1980-11-14 1982-05-26 United Technologies Corp Wedge-shaped seal for flanged joints
GB2171458A (en) * 1985-02-25 1986-08-28 Gen Electric Removable stiffening disk

Also Published As

Publication number Publication date
EP0298897B1 (en) 1992-09-16
DE3874637T2 (en) 1993-04-01
EP0298897A2 (en) 1989-01-11
DE3874637D1 (en) 1992-10-22
DE298897T1 (en) 1989-06-22
JP2681490B2 (en) 1997-11-26
US4859143A (en) 1989-08-22
JPS6432025A (en) 1989-02-02

Similar Documents

Publication Publication Date Title
EP0298897A3 (en) Stiffening ring for a stator assembly of an axial flow rotary machine
EP0334794A3 (en) Stator assembly for an axial flow rotary machine
GB2219355B (en) Stator vane assembly for an axial flow rotary machine
GB2168110B (en) Coolable stator assembly for a rotary machine
EP0298015A3 (en) Stator valve assembly for a rotary machine
ZA856607B (en) Rotor for an axial flow rotary separator
DE3263023D1 (en) System for centering the rotor of a turbo machine
DE3276442D1 (en) A stator vane assembly for a turbine machine
EP0286227A3 (en) Turbo machine rotor assembly
DE3561897D1 (en) Axial locking device for a rotor blade of a turbo machine
GB2193919B (en) An arrangement for the axial bearing of a drilling machine
GB2190031B (en) An arrangement for supporting an axial bearing of a drilling machine
GB2100527B (en) Rotor of a superconductive rotary electric machine
GB2103887B (en) A rotor of a superconductive rotary electric machine
GB2188792B (en) Stator assembly for dynamoelectric machine
GB2100939B (en) A rotor of a superconductive rotary electric machine.
GB2183295B (en) Rotor for a rotary engine
GB2103022B (en) A rotor of a superconductive rotary electric machine
GB2063726B (en) Assembling a dynamoelectrical machine rotor
GB2049834B (en) Rotor for a rotary pump
GB2122698B (en) Arrangement for securing a bearing ring to the casing of a rotary tube
GB2066380B (en) Magnet assembly for support of a rotor
GB2130307B (en) Arrangement for supporting a bearing ring on the casing of a rotary kiln
DE3562848D1 (en) Induction-winding assembly for a rotating dynamo-electric machine
GB2110954B (en) Tool-holding mounting ring for crushing machine rotor

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

DET De: translation of patent claims
PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19891117

17Q First examination report despatched

Effective date: 19910215

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

ET Fr: translation filed
REF Corresponds to:

Ref document number: 3874637

Country of ref document: DE

Date of ref document: 19921022

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060614

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060705

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060731

Year of fee payment: 19

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070707

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070707

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20080331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070731